<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="发放开始时间" prop="issueStartTime">
        <el-date-picker clearable v-model="queryParams.issueStartTime" type="date" value-format="yyyy-MM-dd"
          placeholder="请选择发放开始时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="发放结束时间" prop="issueEndTime">
        <el-date-picker clearable v-model="queryParams.issueEndTime" type="date" value-format="yyyy-MM-dd"
          placeholder="请选择发放结束时间">
        </el-date-picker>
      </el-form-item>
      <!-- <el-form-item label="有效期" prop="validityPeriod">
        <el-input v-model="queryParams.validityPeriod" placeholder="请输入有效期" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item> -->
      <!-- <el-form-item label="优惠金额" prop="discountAmount">
        <el-input v-model="queryParams.discountAmount" placeholder="请输入优惠金额" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item> -->
      <!-- <el-form-item label="消费门槛" prop="consumptionThreshold">
        <el-input v-model="queryParams.consumptionThreshold" placeholder="请输入消费门槛" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="发放数量" prop="issueQuantity">
        <el-input v-model="queryParams.issueQuantity" placeholder="请输入发放数量" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item> -->
      <!-- 上架状态 -->
      <el-form-item label="上架状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择上架状态" clearable size="small">
          <el-option v-for="dict in dict.type.didi_coupon_status" :label="dict.label" :value="dict.value" :key="dict.value"></el-option>
          </el-select>  
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['coupon:coupon:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['coupon:coupon:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['coupon:coupon:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['coupon:coupon:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="couponList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"  />
      <el-table-column label="优惠券ID" align="center" prop="id" width="80" />
      <el-table-column label="发放开始时间" align="center" prop="issueStartTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.issueStartTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="发放结束时间" align="center" prop="issueEndTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.issueEndTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="有效期" align="center" prop="validityPeriod" width="80" />
      <el-table-column label="优惠金额" align="center" prop="discountAmount" width="100"/>
      <el-table-column label="消费门槛" align="center" prop="consumptionThreshold" width="100"/>
      <el-table-column label="发放数量" align="center" prop="issueQuantity" width="80" />
      <el-table-column label="上下架状态" align="center" prop="status" >
        <template slot-scope="scope">
          <dict-tag :options="dict.type.didi_coupon_status" :value="scope.row.status"></dict-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['coupon:coupon:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['coupon:coupon:remove']">删除</el-button>
          <el-button size="mini" type="text" icon="el-icon-upload" @click="handleIssue(scope.row)"
            v-hasPermi="['coupon:coupon:edit']" :disabled="scope.row.status == 0">发放优惠券</el-button>
          <el-button size="mini" type="text" :icon=" scope.row.status == 1 ? 'el-icon-download' : 'el-icon-upload2'" @click="handleChangeStatus(scope.row)"
          v-hasPermi="['coupon:coupon:edit']">
          {{ scope.row.status == 1 ? '下架' : '上架' }}
        </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改优惠券对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <!-- <el-form-item label="发放开始时间" prop="issueStartTime">
          <el-date-picker clearable v-model="form.issueStartTime" type="date" value-format="yyyy-MM-dd"
            placeholder="请选择发放开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="发放结束时间" prop="issueEndTime">
          <el-date-picker clearable v-model="form.issueEndTime" type="date" value-format="yyyy-MM-dd"
            placeholder="请选择发放结束时间">
          </el-date-picker>
        </el-form-item> -->
        <!-- <el-form-item label="有效期" prop="validityPeriod"> -->
          <!-- <el-input v-model="form.validityPeriod" placeholder="请输入有效期" />
        </el-form-item> -->
        <el-form-item label="优惠金额" prop="discountAmount">
          <el-input v-model="form.discountAmount" placeholder="请输入优惠金额" />
        </el-form-item>
        <el-form-item label="消费门槛" prop="consumptionThreshold">
          <el-input v-model="form.consumptionThreshold" placeholder="请输入消费门槛" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog title="发放优惠券" :visible.sync="openIssue" width="600px">
        <div>
            <el-form ref="issueForm" :model="issueForm" :rules="rules" label-width="100px">
                <el-form-item label="发放时间段" prop="issueTimeRange">
                  <el-date-picker v-model="issueForm.issueTimeRange" type="datetimerange" range-separator="至"
                  start-placeholder="开始日期" end-placeholder="结束日期">
                  </el-date-picker>
                </el-form-item>
                <el-form-item label="发放数量" prop="issueQuantity">
                  <el-input v-model="issueForm.issueQuantity" placeholder="请输入发放数量"></el-input>
                </el-form-item>
            </el-form>
        </div>
        <div slot="footer">
            <el-button @click="openIssue = false">取 消</el-button>
            <el-button type="primary" @click="submitIssueForm">确 定</el-button>
        </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCoupon, getCoupon, delCoupon, addCoupon, updateCoupon } from "@/api/didi/coupon";
import { issue } from "@/api/didi/coupon";

export default {
  name: "Coupon",
  dicts: ['didi_coupon_status'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 优惠券表格数据
      couponList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        issueStartTime: null,
        issueEndTime: null,
        validityPeriod: null,
        discountAmount: null,
        consumptionThreshold: null,
        issueQuantity: null,
        status: null
      },
      // 表单参数
      form: {},
      // 发放优惠券参数
      issueForm: {
        id: null,
        issueQuantity: null,
        issueTimeRange: null
      },
      // 是否显示发放优惠券弹出层
      openIssue: false,
      // 表单校验
      rules: {
        issueStartTime: [
          { required: true, message: "发放开始时间不能为空", trigger: "blur" }
        ],
        issueEndTime: [
          { required: true, message: "发放结束时间不能为空", trigger: "blur" }
        ],
        validityPeriod: [
          { required: true, message: "有效期不能为空", trigger: "blur" }
        ],
        discountAmount: [
          { required: true, message: "优惠金额不能为空", trigger: "blur" }
        ],
        consumptionThreshold: [
          { required: true, message: "消费门槛不能为空", trigger: "blur" }
        ],
        issueQuantity: [
          { required: true, message: "发放数量不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "上下架状态不能为空", trigger: "change" }
        ],
        issueTimeRange: [
          { required: true, message: "发放时间段不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询优惠券列表 */
    getList() {
      this.loading = true;
      listCoupon(this.queryParams).then(response => {
        this.couponList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        issueStartTime: null,
        issueEndTime: null,
        validityPeriod: null,
        discountAmount: null,
        consumptionThreshold: null,
        issueQuantity: null,
        status: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加优惠券";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getCoupon(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改优惠券";
      });
    },
    /** 下架按钮操作 */
    handleChangeStatus(row) {
      const id = row.id
      this.$modal.confirm('是否确认' + (row.status === 1 ? '下架' : '上架') + '编号为"' + id + '"的优惠券？').then(function () {
        return updateCoupon({
          id: id, 
          status: row.status === 1 ? 0 : 1 
        });
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("停用成功");
      }).catch(() => { });
    },
    /** 发布按钮操作 */
    handleIssue(row) {
      const id = row.id
      this.openIssue = true;
      this.issueForm.id = id;
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCoupon(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCoupon(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 发放优惠券按钮操作 */
    submitIssueForm() {
      this.$refs["issueForm"].validate(valid => {
        if (valid) {
          issue({
            id: this.issueForm.id,
            issueQuantity: this.issueForm.issueQuantity,
            issueStartTime: this.issueForm.issueTimeRange[0],
            issueEndTime: this.issueForm.issueTimeRange[1]
          }).then(response => {
            this.$modal.msgSuccess("发放成功");
            this.openIssue = false;
            this.getList();
          });
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除优惠券编号为"' + ids + '"的数据项？').then(function () {
        return delCoupon(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('didi/coupon/export', {
        ...this.queryParams
      }, `coupon_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
